65168 has 10 divisors (see below), whose sum is σ = 126294. Its totient is φ = 32576.
The previous prime is 65167. The next prime is 65171. The reversal of 65168 is 86156.
It can be written as a sum of positive squares in only one way, i.e., 43264 + 21904 = 208^2 + 148^2 .
It is a nialpdrome in base 4 and base 16.
It is not an unprimeable number, because it can be changed into a prime (65167) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2021 + ... + 2052.
265168 is an apocalyptic number.
It is an amenable number.
65168 is a deficient number, since it is larger than the sum of its proper divisors (61126).
65168 is a wasteful number, since it uses less digits than its factorization.
65168 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4081 (or 4075 counting only the distinct ones).
The product of its digits is 1440, while the sum is 26.
The square root of 65168 is about 255.2802381697. The cubic root of 65168 is about 40.2418678837.
The spelling of 65168 in words is "sixty-five thousand, one hundred sixty-eight".
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